We often go home _________ 4:30 _________ the afternoon.[ ]

How much pork is there in the fridge? —__________We need to buy some,

Simon lived in Beijing _____ the years 2002-2004． [ ]

Which club would you like to join, art club or basketball?— _______ is OK. I’m good at them.

Da Shan is _________ at Chinese. He can speak Chinese very _________.